
Episodes

1. It's Thursday
14 Oct 2021 · 50 min · 6.2/10
Lennon Grant returns home after her first year at college and discovers that someone knows the terrible secret she and her OG crew of friends swore to keep last summer.

2. It's Not Just for Dog Shit
14 Oct 2021 · 49 min · 5.5/10
The estranged friends reunite to try and figure who might have revealed their secret or who else knows what they did – which leads to murder.

3. A Gorilla Head Will Not Do
14 Oct 2021 · 46 min · 5.8/10
Unable to go to the authorities without revealing their secret, the crew needs to solve the mystery on their own. More bodies turn up, as they realize they’re being haunted and hunted.

4. Hot Shrimp Salad
14 Oct 2021 · 46 min · 5.9/10
Lennon uncovers secrets about her twin and begins to fear the worst about the true identity of the person murdering her friends. The local community is shocked by more murders.

5. Mukbang
21 Oct 2021 · 44 min · 5.2/10
The police question everyone in town with any connection to the victims. The crew think they know who is after them and hunt for evidence implicating the town eccentric.

6. Least You Had a Spare
28 Oct 2021 · 44 min · 5.6/10
More devastating truths are unearthed by Lennon as the crew frantically search for one of their own who has gone missing.

7. If Only Dogs Could Talk
4 Nov 2021 · 48 min · 5.6/10
The town races to find the killer before another victim is claimed. Calm seems to be restored as the killing stops until the police make a gruesome discovery.

8. Your Next Life Could Be So Much Happier
11 Nov 2021 · 58 min · 4.9/10
Lennon and her surviving friends confront painful truths from the past as the shocking truth of the killer's identity is finally revealed – with deadly consequences.
I Know What You Did Last Summer Season 1: quick answers
How many episodes are in I Know What You Did Last Summer Season 1?
Season 1 of I Know What You Did Last Summer has 8 episodes, about 6 hours in total.
When did I Know What You Did Last Summer Season 1 come out?
Season 1 premiered on 14 Oct 2021.
What is the best episode of I Know What You Did Last Summer Season 1?
By viewer score, episode 1, “It's Thursday”, at 6.2/10.